n.
Function: verb
Inflected Form: sped \ ' sped \ or speed · ed ; speed · ing
Date: before 12th century
intransitive verb
1 a archaic : to prosper in an undertaking b archaic : GET ALONG , FARE
2 a : to make haste < sped to her bedside> b : to go or drive at excessive or illegal speed
3 : to move, work, or take place faster : ACCELERATE <the heart speed s up>
transitive verb
1 a archaic : to cause or help to prosper : AID b : to further the success of
2 a : to cause to move quickly : HASTEN b : to wish Godspeed to c : to increase the speed of : ACCELERATE
3 : to send out < speed an arrow>
– speed · er noun